PartsTable
Technical Data Sheet
Download PDF

11450099 — DISK,RUPTURABLE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

11450099: DISK,RUPTURABLE.

The DISK,RUPTURABLE is a the manufacturer industrial component. Key specifications include disk_size: 1.437 INCHES IN, disk_material: STEEL COMP 304, special_features: NHA 10250727, SLOT ORIENTATION IS OPTIONAL, cross-sectional_shape: FLAT, specification/standard_data: 18876-MIS-31403 GOVERNMENT SPECIFICATION. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-475-7422, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
11450099
NSN: 4820-01-475-7422
FSC: 4820 — Valves, Nonpowered
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
disk_size1.437 INCHES IN
disk_materialSTEEL COMP 304
special_featuresNHA 10250727, SLOT ORIENTATION IS OPTIONAL
cross-sectional_shapeFLAT
specification/standard_data18876-MIS-31403 GOVERNMENT SPECIFICATION
NSN4820-01-475-7422
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 11450099 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DISK MATERIAL: STEEL COMP 304
•
SPECIFICATION/STANDARD DATA: 18876-MIS-31403 GOVERNMENT SPECIFICATION
•
CROSS-SECTIONAL SHAPE: FLAT
•
DISK SIZE: 1.437 INCHES IN
TECHNICAL CHARACTERISTICS
DISK MATERIALSTEEL COMP 304
SPECIFICATION/STANDARD DATA18876-MIS-31403 GOVERNMENT SPECIFICATION
CROSS-SECTIONAL SHAPEFLAT
SPECIAL FEATURESNHA 10250727, SLOT ORIENTATION IS OPTIONAL
DISK SIZE1.437 INCHES IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
91P166Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 11450099?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 11450099?
11450099 is a DISK,RUPTURABLE.
What parts can replace 11450099?
There is 1 known substitute for 11450099: 91P166. Substitute compatibility should be verified for your specific system.
What is the NSN for 11450099?
11450099 is cataloged in the U.S. Government catalog under NSN 4820-01-475-7422. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 11450099

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.